Spec Sizes

Mazda Mazda6 vs BMW M3 Dimensions & Size Comparison

Comparing 2008 catalog dimensions. Mazda Mazda6 · BMW M3

Same scale for both vehicles. Generic silhouette — proportional to measured length, height, width, wheelbase, and clearance.

Side view
  • Length186.8 in
  • Height56.7 in
  • Wheelbase105.3 in
  • Curb weight3,093 lb – 3,422 lb
Front / width
  • Width70.1 in
  • BMW M3 width70.2 in – 71.5 in

Which is bigger?

  • Length: BMW M3 is 5.7 in shorter (186.8 in vs 181.1 in)
  • Width: Mazda Mazda6 is 0.8 in narrower (70.1 in vs 70.8 in)
  • Height: Mazda Mazda6 is 1.5 in taller (56.7 in vs 55.3 in)
  • Wheelbase: BMW M3 has a 3.4 in longer wheelbase (105.3 in vs 108.7 in)
  • Curb weight: BMW M3 is 667 lb heavier (3,258 lb vs 3,925 lb)

Biggest size differences

  1. Curb weight: BMW M3 is 667 lb heavier (3,258 lb vs 3,925 lb)
  2. Length: BMW M3 is 5.7 in shorter (186.8 in vs 181.1 in)
  3. Wheelbase: BMW M3 has a 3.4 in longer wheelbase (105.3 in vs 108.7 in)
  4. Height: Mazda Mazda6 is 1.5 in taller (56.7 in vs 55.3 in)
  5. Width: Mazda Mazda6 is 0.8 in narrower (70.1 in vs 70.8 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 5.7 in Check garage fit for Mazda Mazda6 · garage fit for BMW M3
  • Narrower for tight parkingMazda Mazda6 — Mazda Mazda6 is narrower by 0.8 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecMazda Mazda6BMW M3Difference
Length186.8 in181.1 in5.7 in
Width70.1 in70.8 in0.8 in
Height56.7 in55.3 in1.5 in
Wheelbase105.3 in108.7 in3.4 in
Curb weight3,258 lb3,925 lb667 lb

Values use trim midpoints when a model year lists a range.

Compare by year

Overlapping model years with dimension data.

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